156945520

素因数分解:

$2^4\times 5^1\times {\mathrm{1961819}}^1$

素因数の和:1961832

約数の個数: 20

約数和(自身を含む): 364898520

約数和(自身を除く): 207953000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961819, 3923638, 7847276, 9809095, 15694552, 19618190, 31389104, 39236380, 78472760, 156945520]

約数ペア:

[(1, 156945520), (2, 78472760), (4, 39236380), (5, 31389104), (8, 19618190), (10, 15694552), (16, 9809095), (20, 7847276), (40, 3923638), (80, 1961819)]